Find the sum Sn of the first n terms of the geometric sequence. 
, 
, 
, . . . ; n = 5
A. 
B. 
C. 
D. 341
Answer: A
Mathematics
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Solve by the method of elimination by substitution.2x - 2y = -103x + 3y = 27
A. x = -2, y = 7 B. x = 2, y = 7 C. x = -7, y = -5 D. Inconsistent
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Use a graphing calculator to display the solution of the given inequality or system of inequalities.y ? x2 + 2x - 8y ? 
+ 4
A. 
B. 
C. 
D. 
Mathematics
Find the volume by double integration.The volume bounded by the surface 
and the plane 
A. 
?
B. 64?
C. 
?
D. 128?
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Solve the equation by completing the square.2x2 + 6x = - 3
A. 
B. 
C. 
D. 
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